Weather
Houston, TX Weather Alert: 75% Rain Chance Sunday, Nov. 15
Houston, TX – Houston residents can expect pleasant weather to close out the workweek before a significant increase in rain chances Sunday, Nov. 15, as another weather system approaches southeast Texa
By Lena Wood · 2026-11-12T21:51:34.877Z
Houston, TX – Houston residents can expect pleasant weather to close out the workweek before a significant increase in rain chances Sunday, Nov. 15, as another weather system approaches southeast Texas, bringing cooler temperatures and potentially hazardous conditions along the Gulf Coast.
According to the National Weather Service Houston Galveston office, an updated forecast issued Thursday, Nov. 12, shows daytime highs remaining in the 70s Friday before temperatures cool into the 60s over the weekend.
Houston is expected to reach approximately 73 degrees Friday, Nov. 13, with an overnight low near 55 degrees.
Saturday brings cooler conditions, with highs around 64 degrees and only a 5% chance of precipitation.
However, rain chances climb sharply Sunday, Nov. 15, reaching 75% in Houston, with a forecast high near 65 degrees.
The increased precipitation potential extends across much of southeast Texas.
College Station, Brenham, Huntsville and Crockett could see rain probabilities reaching 80%, while Galveston, Conroe and Katy face chances around 75%.
Rain may continue into Monday, Nov. 16, with Houston carrying a 40% precipitation probability and temperatures near 62 degrees.
Meanwhile, the National Weather Service is highlighting potentially hazardous marine conditions beginning Saturday.
Forecasters expect winds of 20 to 25 knots, with gusts reaching 30 knots and offshore seas building between 4 and 9 feet.
The strongest winds and highest seas are expected Sunday night into Monday following a cold front.
Boaters and coastal residents near Galveston Bay, Freeport and surrounding Gulf waters should monitor updated marine forecasts.
Conditions are expected to gradually improve Tuesday, Nov. 17, as winds and seas decrease.
Houston temperatures should begin recovering by midweek, with highs climbing toward 70 degrees Wednesday and Thursday.
Residents planning outdoor activities Sunday should prepare for wet conditions, while boaters should remain aware of the potential for rough Gulf waters.